Spectral color: Revision history


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  • curprev 20:4420:44, 12 April 2023Restfultree2022 talk contribs 11,454 bytes 0 Newton's blue was close to what today people call 'cyan', but it was more blue proper, around 200 degrees in the HSV colour wheel. What he called indigo is very close to what today is known as 'ultramarine'. undo

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  • curprev 15:2515:25, 25 August 2022Theoh talk contribsm 19,519 bytes −123 Only dichromacy is needed for there to be a distinction between spectral and non-spectral colours. As dichromacy states: "Dichromats can match any color they see with a mixture of no more than two pure spectral lights." undo

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